Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » manh cua
doanh cua » doanh luan
dan chinh » dang chinh, lan chinh, ban chinh
van chinh » va chinh, lan chinh, van thinh

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - canh ((tranh cua) or (doanh cua)) nhung cong ((dan chinh) OR (van chinh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - canh ((tranh cua) OR (doanh cua)) nhung cong ((dan chinh) OR (van chinh)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - canh ((tranh cua) or (doanh cua)) nhung cong ((dan chinh) OR (van chinh)) cau".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - canh ((tranh cua) or (doanh cua)) nhung cong ((dan chinh) OR (van chinh)) cau*.